acronym for Filthy Indie Bastard Man. Often associated with Filthy Indie Bastard Man Music, or FIBMM.
a FIBM is just a described; a dirty, stinky, 20-30 year old male who raves over morrisey and his little posey.
Tyler, the 22-year-old uni student who doesn’t shower, plays guitar, and has a pulp fiction poster is a FIBM.
by veganjuulpod May 15, 2021
Get the FIBM mug.